Answer:

pinion

Answer	Crossword Clue
PINION	Rack-matching gear
PINION	Rack-and-... steering
PINION	Rack's partner

PINION	Dove's wing
PINION	Rack-and- ... steering
PINION	Rack partner
PINION	Rack-and-.. steering
PINION	Hold down.
PINION	Wing feather.
PINION	Feather.
PINION	Shackle

PINION	Bird's wing
PINION	Quill
PINION	Gear with a small number of teeth
PINION	Small gear
PINION	Bird wing
PINION	Rack-and- --
PINION	Rack-and- -- steering
PINION	Rack's mate

PINION	Toothed gear